B681 – Stable and productive roughing cylinder boring
Concept description
B681 is designed and developed for roughing in cylinder boring operations. The solution produces excellent roundness and cylindricity, allowing for a smooth semi-finishing operation due to the integrated Silent Tools™ damped adapters.
Features and benefits
- Performs roughing operations while retaining the required high level of quality in roundness and cylindricity
- Provides an excellent foundation for a successful semi-finishing operation
- Silent Tools™ dampening adapters reduce vibration and result in excellent surface quality, roundness and cylindricity
- Coolant function on the cutting edges
- Pre-set dimensions
- Possible to set up the tool without any special device
Application
- Engine cylinder blocks in cast iron
- Engine cylinder blocks in aluminum with integrated cast iron liners or sleeves
- All cylinder liner operations
Cutting data recommendations
vc m/min (ft/min): 350–600 (1148–1968)
ap max mm (inch): 2 (0.0787)
fz mm/z (inch/z): 0.1–0.15 (0.0039–0.0059)
